From 5c1db2accd4b3e21aa7440526af9d2d0ccf5241c Mon Sep 17 00:00:00 2001 From: James Smart Date: Thu, 1 Mar 2012 22:34:36 -0500 Subject: [PATCH] [SCSI] lpfc 8.3.30: Fix driver handling of XRI Aborted CQE response Signed-off-by: Alex Iannicelli Signed-off-by: James Smart Signed-off-by: James Bottomley --- drivers/scsi/lpfc/lpfc_hw4.h | 6 ++++++ drivers/scsi/lpfc/lpfc_sli.c | 15 ++++++++++++--- 2 files changed, 18 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc_hw4.h b/drivers/scsi/lpfc/lpfc_hw4.h index 9e2b9b2..4aecb5c 100644 --- a/drivers/scsi/lpfc/lpfc_hw4.h +++ b/drivers/scsi/lpfc/lpfc_hw4.h @@ -338,6 +338,12 @@ struct lpfc_cqe { #define CQE_CODE_XRI_ABORTED 0x5 #define CQE_CODE_RECEIVE_V1 0x9 +/* + * Define mask value for xri_aborted and wcqe completed CQE extended status. + * Currently, extended status is limited to 9 bits (0x0 -> 0x103) . + */ +#define WCQE_PARAM_MASK 0x1FF; + /* completion queue entry for wqe completions */ struct lpfc_wcqe_complete { uint32_t word0; diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 99afe15..c516b04 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -8388,6 +8388,7 @@ lpfc_sli4_abts_err_handler(struct lpfc_hba *phba, struct sli4_wcqe_xri_aborted *axri) { struct lpfc_vport *vport; + uint32_t ext_status = 0; if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) { lpfc_printf_log(phba, KERN_INFO, LOG_SLI, @@ -8399,12 +8400,20 @@ lpfc_sli4_abts_err_handler(struct lpfc_hba *phba, vport = ndlp->vport; lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, "3116 Port generated FCP XRI ABORT event on " - "vpi %d rpi %d xri x%x status 0x%x\n", + "vpi %d rpi %d xri x%x status 0x%x parameter x%x\n", ndlp->vport->vpi, ndlp->nlp_rpi, bf_get(lpfc_wcqe_xa_xri, axri), - bf_get(lpfc_wcqe_xa_status, axri)); + bf_get(lpfc_wcqe_xa_status, axri), + axri->parameter); - if (bf_get(lpfc_wcqe_xa_status, axri) == IOSTAT_LOCAL_REJECT) + /* + * Catch the ABTS protocol failure case. Older OCe FW releases returned + * LOCAL_REJECT and 0 for a failed ABTS exchange and later OCe and + * LPe FW releases returned LOCAL_REJECT and SEQUENCE_TIMEOUT. + */ + ext_status = axri->parameter & WCQE_PARAM_MASK; + if ((bf_get(lpfc_wcqe_xa_status, axri) == IOSTAT_LOCAL_REJECT) && + ((ext_status == IOERR_SEQUENCE_TIMEOUT) || (ext_status == 0))) lpfc_sli_abts_recover_port(vport, ndlp); } -- 2.7.4